The Lehman College Math Circle has expanded to
include college credit courses but we still have occasional meetings.
Before 2006, we were only a club with biweekly meetings.
Here are our past events.
Lehman College Math Circle Meetings in Fall 2007 were:
Special meetings selected from precalculus see here.
Lehman College Math Circle Meetings in Spring 2007 were:

College Now Programming Methods I

College Now Precalculus
Lehman College Math Circle Meetings in Fall 2006 were:

Monday September 25, Gillet Hall 333, 4:105:50 pm
"For All, There Exists, and Why? Part I" by Prof. Sormani

Wednesday September 27, Gillet Hall 333, 4:105:50 pm
"For All, There Exists, and Why? Part II" by Prof. Sormani

Wednesday November 1, Gillet Hall 333, 4:105:50 pm
"Proof by Induction: Missing the First Step" by Prof. Sormani

Wednesday November 15, Gillet Hall 333, 4:105:50 pm
"Counting: how long will it take?" by Prof. St.John

Wednesday December 6, Gillet Hall 333, 4:105:50 pm
"Graphs and Coloring" by Prof. Jung

Monday December 11, Gillet Hall 333, 4:105:50 pm
"Trees and TicTacToe" by Prof. Rosholt
 Mondays and Wednesdays: College Now Discrete Math, Prof. Sormani
 Tuesdays and Thursdays: College Now Precalculus, Prof. Laderman
Lehman College Math Circle Meetings in Fall 2005Spring 2006 were:
Lehman College Math Circle Meetings in Fall 2003 Spring 2004 were:

Tuesday November 18 (4:305:30): Professor Murphy, "Decoding Secret Codes I"

Tuesday November 25 (4:305:30): Professor Murphy, "Decoding Secret Codes II"

Tuesday December 2 (4:305:30): Professor Sormani, "Constrained Optimization"

Tuesday December 9 (4:305:30): Professor Rosholt, "The Towers of Hanoi"

Winter Break through Washington's Birthday

Tuesday February 24 (4:305:30): Professor Sormani, "Dimensions"

Tuesday March 2 (4:305:30): Professor Rosholt, "The Problem of 16"

Tuesday March 9 (4:305:30): Prof Sormani, "Winding Numbers and the Inversion of the Sphere"
 Tuesday March 16 (4:305:30): Professor Rouson
"Forensic Software for Fire Investigation"
 Wednesday, March 31 (4pm Rm 127):
Join the Lehman College CSM Scholars for a talk on Mathematical Finance
 Tuesday, April 20 (3pm Room 127):
Join the Lehman College CSM Scholars for a talk on by an IBM programmer
Many nice math links can be found on the
Franklin Institute
Mathematics and Computer Science Hotlist,
the NSA's USA Mathematical Talent Search, and the
Lehman College Math and Computer
Science Club's Math Website.
Other programs for high school students at Lehman College can be
found at http://www.lehman.cuny.edu/education/center/index.html
Our meetings in Spring 2003 were:
 Tuesday
February 11 (4:005:30), Prof. Sormani, "Hyperbolic Space"
 Tuesday
February 25 (4:005:30), Prof. Petrides, "Counting Lattice Points"
 Tuesday
March 11 (4:005:30), Prof Petrides, "Counting Lattice Points II"
 Tuesday
March 25 (4:005:30), Prof. Murphy, "Cryptography"
 Tuesday
April 8 (4:005:30), Prof. StJohn, "Family Trees in Biology"
Our meetings in Fall of 2002 were:

Monday October 21 (45:45 pm): Prof Sormani,
"Vectors"

Monday November 4 (45:45 pm): Prof Sormani,
"Lines and Circles"

Monday November 18 (45:45pm): Prof Lakic,
"Imaginary Numbers"

Monday December 2 (45:45pm): Prof Lakic,
"Geometry of the Complex Plane"
For more information about math circles check out the
University of Utah
Math Circle.
This math circle is coorganized by
Mr. Jonathan Halabi,
chairman of the math department at the High School of American Studies
and
Professor Sormani
of Lehman College's Department of Mathematics and Computer Science.